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    <title>Document</title>
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        #iframeBox {
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        .box {
            height: 10%;
            line-height: 1;
            font-size: 20px;
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    <div class="box">
        <a href="https://www.jd.com" target="iframeBox">京东</a>
        <a href="https://www.taobao.com" target="iframeBox">淘宝</a>
        <a href="https://www.baidu.com" target="iframeBox">百度</a>
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    <iframe 
        src="https://www.jd.com" 
        frameborder="0" 
        name="iframeBox"
        id="iframeBox"
    ></iframe>
    <iframe 
        src="https://www.taobao.com" 
        frameborder="0" 
        name="iframeBox"
        id="iframeBox"
    ></iframe>
    <iframe 
        src="https://www.baidu.com" 
        frameborder="0" 
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</body>
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